1 /* $FreeBSD: src/sys/netkey/keydb.h,v 1.2.2.3 2003/01/11 19:10:59 ume Exp $ */
2 /* $KAME: keydb.h,v 1.14 2000/08/02 17:58:26 sakane Exp $ */
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 #ifndef _NETKEY_KEYDB_H_
34 #define _NETKEY_KEYDB_H_
38 #include <netkey/key_var.h>
40 /* Security Assocciation Index */
41 /* NOTE: Ensure to be same address family */
43 struct sockaddr_storage src; /* srouce address for SA */
44 struct sockaddr_storage dst; /* destination address for SA */
45 u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */
46 u_int8_t mode; /* mode of protocol, see ipsec.h */
47 u_int32_t reqid; /* reqid id who owned this SA */
48 /* see IPSEC_MANUAL_REQID_MAX. */
51 /* Security Association Data Base */
53 LIST_ENTRY(secashead) chain;
55 struct secasindex saidx;
57 struct sadb_ident *idents; /* source identity */
58 struct sadb_ident *identd; /* destination identity */
59 /* XXX I don't know how to use them. */
61 u_int8_t state; /* MATURE or DEAD. */
62 LIST_HEAD(_satree, secasvar) savtree[SADB_SASTATE_MAX+1];
64 /* The first of this list is newer SA */
67 struct route sau_route;
68 struct route_in6 sau_route6;
70 #define sa_route sa_u.sau_route
73 /* Security Association */
75 LIST_ENTRY(secasvar) chain;
77 int refcnt; /* reference count */
78 u_int8_t state; /* Status of this Association */
80 u_int8_t alg_auth; /* Authentication Algorithm Identifier*/
81 u_int8_t alg_enc; /* Cipher Algorithm Identifier */
82 u_int32_t spi; /* SPI Value, network byte order */
83 u_int32_t flags; /* holder for SADB_KEY_FLAGS */
85 struct sadb_key *key_auth; /* Key for Authentication */
86 struct sadb_key *key_enc; /* Key for Encryption */
87 caddr_t iv; /* Initilization Vector */
88 u_int ivlen; /* length of IV */
89 void *sched; /* intermediate encryption key */
92 struct secreplay *replay; /* replay prevention */
93 long created; /* for lifetime */
95 struct sadb_lifetime *lft_c; /* CURRENT lifetime, it's constant. */
96 struct sadb_lifetime *lft_h; /* HARD lifetime */
97 struct sadb_lifetime *lft_s; /* SOFT lifetime */
99 u_int32_t seq; /* sequence number */
100 pid_t pid; /* message's pid */
102 struct secashead *sah; /* back pointer to the secashead */
105 /* replay prevention */
108 u_int wsize; /* window size, i.g. 4 bytes */
109 u_int32_t seq; /* used by sender */
110 u_int32_t lastseq; /* used by receiver */
111 caddr_t bitmap; /* used by receiver */
112 int overflow; /* overflow flag */
115 /* socket table due to send PF_KEY messages. */
117 LIST_ENTRY(secreg) chain;
122 #ifndef IPSEC_NONBLOCK_ACQUIRE
123 /* acquiring list table. */
125 LIST_ENTRY(secacq) chain;
127 struct secasindex saidx;
129 u_int32_t seq; /* sequence number */
130 long created; /* for lifetime */
131 int count; /* for lifetime */
135 /* Sensitivity Level Specification */
138 #define SADB_KILL_INTERVAL 600 /* six seconds */
146 extern struct secpolicy *keydb_newsecpolicy __P((void));
147 extern void keydb_delsecpolicy __P((struct secpolicy *));
149 extern struct secashead *keydb_newsecashead __P((void));
150 extern void keydb_delsecashead __P((struct secashead *));
152 extern struct secasvar *keydb_newsecasvar __P((void));
153 extern void keydb_refsecasvar __P((struct secasvar *));
154 extern void keydb_freesecasvar __P((struct secasvar *));
156 extern struct secreplay *keydb_newsecreplay __P((size_t));
157 extern void keydb_delsecreplay __P((struct secreplay *));
159 extern struct secreg *keydb_newsecreg __P((void));
160 extern void keydb_delsecreg __P((struct secreg *));
164 #endif /* _NETKEY_KEYDB_H_ */